C# (CSharp) Design_Patterns_Samples ConcreteElementA示例

示例#1

 public abstract void VisitConcreteElementA(ConcreteElementA element);

示例#2

 public override void VisitConcreteElementA(ConcreteElementA element)
 {
     stringBuilder.Append("ElementA;");
 }

示例#3

 public override void VisitConcreteElementA(ConcreteElementA element) => visitCount++;